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Tarrant County
2021 Confidence Interval Detail
Tarrant County
220-917/Castleberry ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 156,350,523 | 0.9615 | 162,611,048 | 13 | 1,444 | 0.027030348 |
| A | 248,817,144 | 0.9342 | 266,342,479 | 27 | 1,758 | 0.022729635 |
| A | 251,340,573 | 0.9531 | 263,708,502 | 38 | 1,419 | 0.031690406 |
| A | 258,210,831 | 1.0221 | 252,627,758 | 41 | 884 | 0.011264284 |
| B | 17,021,633 | 0.9746 | 17,465,250 | 9 | 92 | 0.025498296 |
| B | 14,709,249 | 1.0155 | 14,484,736 | 7 | 14 | 0.000674093 |
| B | 21,445,917 | 1.2139 | 17,666,550 | 3 | 4 | 0.049456915 |
| F1 | 30,290,879 | 0.9273 | 32,665,673 | 13 | 116 | 0.042743964 |
| F1 | 28,130,920 | 0.9499 | 29,614,612 | 11 | 42 | 0.014478337 |
| F1 | 33,775,484 | 0.9886 | 34,164,965 | 9 | 21 | 0.017783445 |
| F1 | 38,537,032 | 0.8890 | 43,348,742 | 5 | 8 | 0.008435352 |
| Random Totals: | 1,098,630,185 | 1,134,700,315 | 176 | 5,802 | ||
| CATG B EXCEPTION VALUES: | 54,880,292 | 58,385,258 | ||||
| CATG D1 EXCEPTION VALUES: | 1,518 | 1,778 | ||||
| Total Test Values | 1,153,511,995 | 1,193,087,351 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 59,654,368 |
Confidence Interval Values(5)
| Local Test Value: | 1,153,511,995 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,133,432,983 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,252,741,719 | (State Test Value plus Margin of Error Percent) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values